"Positive over-centre feel"

French translation: La position centrale se distingue de façon claire de

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Many toggle and rocker switches are made so that the operator can clearly feel when the switch has moved into the desired position and my first example given below illustrates this type of switch.

Next, I have given some definitions of terms related to electrical switches which give a different meaning to \"tactile feel.\"

Finally, there is some information from an English website and its French translation for a toggle clamp that is probably similar to the one that you described. I do not give it as a translation because they do not described it as a tactile feel or detent.

References:

ILC Decora® switch plates are supplied with heavy duty Single pole double throw (SPDT), Momentary center OFF rocker switches. Each switch is designed to provide a **tactile feel** to confirm to the user that the switch has been depressed.http://www.ilc-usa.com/decoraseries.html

Toggle vs Power
The toggle clamp is used for added safety and is designed so that the linkage goes **over-center and remains in a positive locked position** even in the absence of air pressure. The toggle clamp is unlocked only by the cylinder powering the linkage back through the **over-center locked position.**
The power lock is designed so that the linkage does not go **over-center** providing for variable clamping thicknesses.
We recommend the use of Aladco check valves for toggle and power applications to maintain the air pressure and clamping force.http://www.aladco.com/2500/2502/

Many toggle and rocker switches are made so that the operator can clearly feel when the switch has moved into the desired position and my first example given below illustrates this type of switch.

Next, I have given some definitions of terms related to electrical switches which give a different meaning to \"tactile feel.\"

Finally, there is some information from an English website and its French translation for a toggle clamp that is probably similar to the one that you described. I do not give it as a translation because they do not described it as a tactile feel or detent.

References:

ILC Decora® switch plates are supplied with heavy duty Single pole double throw (SPDT), Momentary center OFF rocker switches. Each switch is designed to provide a **tactile feel** to confirm to the user that the switch has been depressed.http://www.ilc-usa.com/decoraseries.html

Toggle vs Power
The toggle clamp is used for added safety and is designed so that the linkage goes **over-center and remains in a positive locked position** even in the absence of air pressure. The toggle clamp is unlocked only by the cylinder powering the linkage back through the **over-center locked position.**
The power lock is designed so that the linkage does not go **over-center** providing for variable clamping thicknesses.
We recommend the use of Aladco check valves for toggle and power applications to maintain the air pressure and clamping force.http://www.aladco.com/2500/2502/